only have eyes for something
only have eyes for (something)
To be solely focused on or interested in something, often to the exclusion of or at the expense of other things. I'm not interesting in dating anyone else. I only have eyes for you, my darling. He could have stayed in his position at the company and retired a millionaire, but he only had eyes for being elected to public office. Our government only has eyes for the big cities, leaving our small rural towns to rot by the wayside.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
only have eyes for somethingor
have eyes only for something
If someone only has eyes for a particular thing, they are interested only in that thing. When Ian's playing hockey, he has eyes only for the game.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012